Genes and Chromosomes (VCE SSCE Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
In DNA, which base always pairs with adenine (A)?
In DNA, which base always pairs with adenine (A)?
Thymine (T)
What is a gene?
What is a gene?
A section of DNA that codes for a protein
How many chromosomes are in human somatic cells?
How many chromosomes are in human somatic cells?
46
What are alleles?
What are alleles?
Alternate forms of a gene
What are the three components of a nucleotide?
What are the three components of a nucleotide?
Phosphate, sugar, nitrogen base
Which criteria define homologous chromosomes?
Which criteria define homologous chromosomes?
Same size, centromere position, genes
What sex chromosome pattern produces a male?
What sex chromosome pattern produces a male?
XY
What chromosomal abnormality causes Down syndrome?
What chromosomal abnormality causes Down syndrome?
Trisomy 21
What is the main purpose of a karyotype?
What is the main purpose of a karyotype?
Detect genetic abnormalities
What ploidy level are commercial strawberries?
What ploidy level are commercial strawberries?
Octoploid (8n)